30822
domain: N
Appears in sequences
- a(n) = floor( n*(n-1)*(n-2)*(n-3)/28 ).at n=32A011938
- McKay-Thompson series of class 18c for Monster.at n=22A058538
- a(n) = 1331*n - 1122.at n=23A157441
- Numbers m such that the sum of the first k odd primes = m-th odd prime.at n=27A179321
- Fourth accumulation array, T, of the natural number array A000027, by antidiagonals.at n=52A185509
- Numbers n such that the sum of the distinct prime factors of prime(n)-1 and prime(n+1)-1 are the same.at n=18A259562
- Maximum principal ratio of a strongly connected digraph on n nodes.at n=6A309579